Finding the Fourth Proportional to 1,402,544.81, 2,106,807.54 and 1,320,543.98
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Solution
The fourth proportional to 1,402,544.81, 2,106,807.54 and 1,320,543.98 is: 1,983,631.46
Step by Step Solution
- Step 1: Write the proportion equation
1,402,544.81 : 2,106,807.54 = 1,320,543.98 : x - Step 2: Convert to fraction form
1,402,544.81/2,106,807.54 = 1,320,543.98/x - Step 3: Cross multiply
1,402,544.81x = 2,106,807.54 × 1,320,543.98 - Step 4: Simplify right side
1,402,544.81x = 2,782,132,013,965.61 - Step 5: Solve for x
x = 2,782,132,013,965.61/1,402,544.81 - Step 6: Final answer
x = 1,983,631.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.